The main problem is that most commentators are accustomed to thinking of spiritual schools as 'systems', which are more or less alike, and which depend upon dogma and ritual: and especially upon repetition and the application of continual and standardised pressures upon their followers.The Sufi way, except in degenerate forms which are not to be classified as Sufic, is entirely different from this.
Idries ShahOpinion is usually something which people have when they lack comprehensive information.
Idries ShahKnowledge is not gained, it is there all the time. It is the "veils" which have to be dissolved in the mind.
Idries ShahBanality is like boredom: bored people are boring people, people who think that things are banal are themselves banal. Interesting people can find something interesting in all things.
Idries Shah